diff --git a/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h b/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h
index d0653998093bc8..dcc2a6c3fd60f5 100644
--- a/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h
+++ b/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h
@@ -45,7 +45,7 @@ using NativeIntersectionObserverEntry =
         // rootRect
         RectAsTuple,
         // intersectionRect
-        RectAsTuple,
+        std::optional<RectAsTuple>,
         // isIntersectingAboveThresholds
         bool,
         // time
diff --git a/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js b/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js
index 7ceba03d7d2a67..e2d9a32efde752 100644
--- a/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js
+++ b/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js
@@ -17,7 +17,8 @@ export type NativeIntersectionObserverEntry = {
   targetInstanceHandle: mixed,
   targetRect: $ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
   rootRect: $ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
-  intersectionRect: $ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
+  // TODO(T209328432) - Remove optionality of intersectionRect when native changes are released
+  intersectionRect: ?$ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
   isIntersectingAboveThresholds: boolean,
   time: number,
 };